13905020

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2909}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 29332800

約数和(自身を除く): 15427780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2909, 4780, 5818, 11636, 14545, 29090, 58180, 695251, 1390502, 2781004, 3476255, 6952510, 13905020]

約数ペア:

[(1, 13905020), (2, 6952510), (4, 3476255), (5, 2781004), (10, 1390502), (20, 695251), (239, 58180), (478, 29090), (956, 14545), (1195, 11636), (2390, 5818), (2909, 4780)]